KR101486818B1 - Lamp for vehicle - Google Patents

Abstract

The present invention relates to a lamp for a vehicle, and more specifically, to a lamp for a vehicle capable of achieving a beam pattern that satisfies light distribution regulations. The lamp according to the present invention is a lamp for a vehicle mounted in the vehicle to radiate a preset beam pattern outside the vehicle, and comprises a light source, reflector reflecting at least a portion of the light emitted from the light source, and a lens forming the preset beam pattern by refracting at least one among the light emitted from the light source and the light reflected by the reflector, wherein the lens includes a plurality of first optics formed to slope from a vertical line of the vehicle and a plurality of second optics formed to slope from the vertical line of the vehicle and crossing the first optics.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a vehicle lamp, and more particularly, to a lamp for a vehicle that secures a beam pattern satisfying a light distribution rule.

Generally, a vehicle has a lamp having a lighting function for easily confirming an object located in the vicinity of the vehicle at nighttime or when the weather deteriorates, and a signal function for notifying other vehicle or road users of the running state of the vehicle.

For example, head lamps and fog lamps are intended for illumination purposes, and turn signal lamps, tail lamps, brake lamps, and side markers are signals.

Fog lamps, in particular, ensure the front view of the vehicle on foggy roads, while simultaneously allowing the vehicle to be identified to other vehicles. Generally, the fog lamp is mounted on the front bumper of the vehicle, providing the driver with a front view and providing the vehicle's identification mark to the opposite vehicle. Recently, however, the fog lamp is mounted on the rear bumper of some large- It may also provide identification signs.

6, the vehicle rear lamp 2 mounted on the rear bumper of the vehicle includes a turn signal lamp 70, a back lamp 80, And a lamp (60).

The lens of each lamp 60, 70, 80 is generally provided with a horizontal optic 61. The optic 61 formed on the lens refracts and / or scatters the light passing through the lens to improve the light distribution efficiency.

On the other hand, according to the regulation on the light distribution of an automobile, a fog lamp that emits light to the rear of a vehicle is forced to have a rhombic beam pattern.

However, the beam pattern of the fog lamp 60 of FIG. 6 with the horizontal optic 61 does not form a rhombic beam pattern, but also forms a beam pattern with an uneven distribution.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a lamp for a vehicle that emits a beam pattern satisfying a light distribution rule of an automobile.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to another aspect of the present invention, there is provided a lamp for a vehicle, which is mounted on a vehicle and emits a predetermined beam pattern to the outside of the vehicle, includes: a light source; at least a part of light emitted from the light source; And a lens for refracting at least one of the light emitted from the light source and the light reflected through the reflector to the outside of the vehicle to form the predetermined beam pattern, And a plurality of second optics formed to be inclined with respect to the vertical axis of the vehicle and intersecting the plurality of first optics.

Other specific details of the invention are included in the detailed description and drawings.

According to the embodiment of the present invention, at least the following effects are obtained.

The vehicle lamp according to the present invention emits a beam pattern satisfying the light distribution rule of the automobile. Particularly a rhombic beam pattern required for the rear fog lamp.

In addition, the vehicle lamp according to the present invention emits a beam pattern having an overall uniform luminous intensity while satisfying the light distribution pattern of the automobile.

The effects according to the present invention are not limited by the contents exemplified above, and more various effects are included in the specification.

1 is a front view showing a lamp for a vehicle according to an embodiment of the present invention;
2 is a view showing a beam pattern of a fog lamp according to an embodiment of the present invention.
3 shows a lamp according to a first embodiment of the present invention.
4 shows a lamp according to a second embodiment of the present invention.
5 shows a lamp according to a third embodiment of the invention.
6 is a front view showing a conventional rear lamp for a vehicle.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Further, the embodiments described herein will be described with reference to cross-sectional views and / or schematic drawings that are ideal illustrations of the present invention. Thus, the shape of the illustrations may be modified by manufacturing techniques and / or tolerances. In addition, in the drawings of the present invention, each component may be somewhat enlarged or reduced in view of convenience of explanation. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described with reference to the drawings for explaining a vehicle lamp according to an embodiment of the present invention.

1 is a front view showing a lamp for a vehicle according to an embodiment of the present invention.

As shown in Fig. 1, a vehicle lamp 1 according to an embodiment of the present invention shows a lamp mounted on the right side of a lamp attached to both sides of a rear bumper guard, which is additionally mounted to a lower portion of a bumper of a vehicle. A lamp 10, a signal lamp 20, and a back lamp 30.

The signal lamp 20 is a lamp which is flickered by the driver's operation when the traveling direction of the vehicle is changed to the right or left direction and the backward lamp 30 is operated by the driver to operate the gear lever to the backward position And the fog lamp 10 is a lamp which is turned on by the operation of the driver in a weather condition in which the fog on the road is present.

The fog lamp 10 mounted on the rear of the vehicle is forced to have a rhombic beam pattern according to the regulations regarding the light distribution of the vehicle, unlike the other lamps. Therefore, in the explanation of the vehicle lamp 1 according to the embodiment of the present invention, the fog lamp 10 for forming the rhombic beam pattern will be described in detail.

The fog lamp 10 according to the present embodiment includes a light source 14, a reflector 15, and a lens 13.

1, the light source 14 may be provided at the center of the fog lamp 10 so as to face the rear of the vehicle.

The reflector 15 is a parabolic member that surrounds the rear and side of the light source 14 and emits light reaching the reflector 15 of the light emitted from the light source 14 to the rear of the vehicle. The reflector 15 may be formed of a parabola having the position of the light source 14 as a focal position.

The lens 13 is formed so as to cover the light source 14 and the reflector 15 in the light irradiation direction of the light source 14. The lens 13 protects the light source 14 and the reflector 15 from the outside and simultaneously outputs the light emitted from the light source 14 directly to the lens 13 and the light reflected by the reflector 15 And is irradiated to the rear of the vehicle.

1, a plurality of first optics 11 and a plurality of second optics 12 are provided in the lens 13 so that light passing through the lens 13 has a predetermined beam pattern Refract and / or scatter.

The plurality of first optics 11 are formed at an interval and inclined with respect to a vertical axis perpendicular to the ground of the vehicle or a vertical axis of the vehicle.

The plurality of second optics 12 are also formed at a predetermined interval and in a direction intersecting the first optic 11 although they are formed to be inclined with respect to the vertical axis perpendicular to the vehicle's vertical axis or the ground on which the vehicle is located.

The region formed by the adjacent second optic 12 arbitrarily selected from the adjacent first optic 11 and the plurality of second optic 12 arbitrarily selected from among the plurality of first optic 11 becomes a rhombic shape.

Accordingly, the plurality of first optics 11 and the plurality of second optics 12 may be formed to be mutually symmetrical with respect to the vertical axis of the vehicle or the vertical axis perpendicular to the ground on which the vehicle is located, ) And the spacing distance between each of the plurality of second optics 12 may be substantially the same.

The plurality of first optics 11 and the plurality of second optics 12 are formed in a convex shape or a concave shape on the lens 13 to function as a plurality of convex lenses or concave lenses formed on the lens 13 do. Therefore, light passing through the lens 13 is refracted and / or scattered by the plurality of first optics 11 and the plurality of second optics 12. [

Therefore, the minimum area formed by two arbitrarily selected second optics 12 among the first optics 11 and the plurality of second optics 12 arbitrarily selected from the plurality of first optics 11 A beam pattern is formed along the shape of the minimum area of the light passing through the minimum area.

Since the minimum area formed by the plurality of first optics 11 and the plurality of second optics 12 according to the embodiment of the present invention has a rhomboid shape, the light passing through the minimum area is a rhombic beam pattern .

Further, the shape of the entire beam pattern having passed through the lens 13 formed by stacking the minimum regions has a rhombic beam pattern, and at the same time, the uniformity of the light intensity of the beam pattern is ensured.

In addition, in order to optimize the beam pattern according to the design shapes of various lamps, the lens 13 may have a predetermined curvature. That is, by adjusting the curvature of the lens 13 together with the optic structure of the lens 13, corresponding to the design of various lamps, the beam pattern can be made to satisfy the light distribution law.

2 is a view showing a beam pattern of a fog lamp according to an embodiment of the present invention.

2, the beam pattern of the fog lamp 10 according to the embodiment of the present invention is a beam pattern of a fog lamp 60 (see FIG. 6) having a conventional horizontal optic 61 (see FIG. 6) And the intensity of the beam pattern is also uniformly formed. In addition, as shown in FIG.

Hereinafter, the shapes of the plurality of first optics 11 and the plurality of second optics 12 of the lens according to the embodiment of the present invention will be described in detail.

Fig. 3 is a view showing a lamp according to the first embodiment of the present invention, and is an enlarged view of a part of the exit surface of the lens 13 according to the first embodiment of the present invention.

3, in this embodiment, a plurality of first optics 11 and a plurality of second optics 12 are provided on the exit surface of the lens 13 and are formed to protrude to the outside of the lens 13 do. The plurality of first optics 11 and the plurality of second optics 12 may have a semicircular or triangular cross-section.

As described above, the plurality of first optics 11 and the plurality of second optics 12 cross each other and are formed by the plurality of first optics 11 and the plurality of second optics 12 The minimum area has a rhombic shape.

The plurality of first optics 11 and the plurality of second optics 12 protruding from the exit surface of the lens 13 may each function as a convex lens. Therefore, the light emitted through the plurality of first optics 11 and the plurality of second optics 12 is condensed at the edge of the rhombus, resulting in a rhombic beam pattern formed by the minimum region.

3 shows an example in which a plurality of first optics 11 and a plurality of second optics 12 are protruded to the outside of the lens 13, The optic 12 may be recessed toward the inside of the lens 13. The plurality of first optics 11 and the plurality of second optics 12 may have a semicircular or triangular cross-section.

In this case, the plurality of first optics 11 and the plurality of second optics 12, which are recessed toward the inside of the lens 13, can function as a concave lens. Accordingly, the light emitted through the plurality of first optics 11 and the plurality of second optics 12 is scattered to the center of the rhombus, resulting in a rhombic beam pattern formed by the minimum region.

The plurality of first optics 11 and the plurality of second optics 12 may be integrally formed with the lens 13 or may be formed of a separate resin material and attached to the exit surface of the lens 13.

4 is a view showing a lamp according to a second embodiment of the present invention, and is an enlarged view of a part of the incident surface of the lens 13 according to the second embodiment of the present invention. For convenience of description, the same reference numerals are used for the components similar to those of the first embodiment, and a description of components common to the first embodiment will be omitted.

4, in the present embodiment, a plurality of first optics 11 and a plurality of second optics 12 are provided on the incident surface of the lens 13 and are formed so as to protrude to the outside of the lens 13 do. The plurality of first optics 11 and the plurality of second optics 12 may have a semicircular or triangular cross-section.

The first optic 11 and the plurality of second optic 12 are provided so as to intersect with each other and the plurality of first optic 11 and the plurality of second optic 12 are formed to cross each other. The region has a rhombic shape.

The plurality of first optics 11 and the plurality of second optics 12 protruding from the incident surface of the lens 13 may each function as a convex lens. Therefore, the light incident through the plurality of first optics 11 and the plurality of second optics 12 is condensed at the edge of the rhombus, so that the beam pattern formed by the minimum region is rhombic.

4 shows an example in which a plurality of first optics 11 and a plurality of second optics 12 are formed so as to protrude to the outside of the lens 13, but a plurality of first optics 11 and a plurality of second The optic 12 may be recessed toward the inside of the lens 13. The plurality of first optics 11 and the plurality of second optics 12 may have a semicircular or triangular cross-section.

In this case, the plurality of first optics 11 and the plurality of second optics 12, which are recessed toward the inside of the lens 13, can function as a concave lens. Accordingly, the light emitted through the plurality of first optics 11 and the plurality of second optics 12 is scattered to the center of the rhombus, resulting in a rhombic beam pattern formed by the minimum region.

The plurality of first optics 11 and the plurality of second optics 12 may be integrally formed with the lens 13 or formed of a separate resin material and may be attached to the incident surface of the lens 13.

5 is a view showing a lamp according to a third embodiment of the present invention, which is an enlarged view of a part of a cross section of a lens 13 according to a third embodiment of the present invention. For convenience of description, the same reference numerals are used for the components similar to those of the first embodiment, and a description of components common to the first embodiment will be omitted.

5, in the present embodiment, a plurality of first optics 11 are provided on the incident surface of the lens 13 and protrude to the outside of the lens 13, and a plurality of second optics 12 Is formed on the exit surface of the lens 13 and protrudes to the outside of the lens 13. The plurality of first optics 11 and the plurality of second optics 12 may have a semicircular or triangular cross-section.

The first optic 11 and the plurality of second optic 12 are provided so as to intersect with each other and the plurality of first optic 11 and the plurality of second optic 12 are formed to cross each other. The region has a rhombic shape.

A plurality of first optics 11 protruding from the incident surface of the lens 13 and a plurality of second optics 12 protruding from the outgoing surface of the lens 13 may each function as a convex lens. Therefore, the light incident through the plurality of first optics 11 and the plurality of second optics 12 is condensed at the edge of the rhombus, so that the beam pattern formed by the minimum region is rhombic.

5, a plurality of first optics 11 and a plurality of second optics 12 are formed so as to protrude outward from the lens 13, but a plurality of first optics 11 and a plurality of second Each of the optics 12 may be recessed toward the inside of the lens 13. The plurality of first optics 11 and the plurality of second optics 12 may have a semicircular or triangular cross-section.

In this case, the plurality of first optics 11, which are recessed inward from the incident surface of the lens 13, and the plurality of second optics 12, which are recessed inward from the exit surface of the lens 13, Can be performed. Accordingly, the light emitted through the plurality of first optics 11 and the plurality of second optics 12 is scattered to the center of the rhombus, resulting in a rhombic beam pattern formed by the minimum region.

The plurality of first optics 11 and the plurality of second optics 12 may be integrally formed with the lens 13 or may be formed of a separate resin material and attached to the exit surface and the incident surface of the lens 13, .

As described above, the fog lamp 10 according to the embodiment of the present invention has a plurality of oblique first optics 11 and a plurality of oblique second optics 11 crossing the plurality of first optics 11, A beam pattern of a rhomboid shape is finally formed by using a lens 13 having a lens 12 as a mask. Accordingly, it is possible to satisfy uniformity of luminosity up to the edge of the rhombic beam pattern while satisfying the regulations on the light distribution of the automobile which forces the rhombic beam pattern to the rear fog lamp.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

1: Vehicle lamp
10: Fog lamp
11: First Optics
12: Second Optics
13: Lens
14: Light source
15: Reflector
20: Signal lamp
30: Reverse lamp

Claims (8)

1. A vehicle lamp mounted on a vehicle and radiating a predetermined beam pattern to the outside of the vehicle,
Light source;
A reflector for reflecting at least a part of the light emitted from the light source;
And a lens for refracting at least one of light emitted from the light source and light reflected through the reflector to the outside of the vehicle to form the predetermined beam pattern,
The lens,
A plurality of first optics formed on an incident surface of the lens so as to be inclined with respect to a vertical axis of the vehicle,
And a plurality of second optics formed on the exit surface of the lens so as to be inclined with respect to the vertical axis of the vehicle so as to intersect with the plurality of first optics. The method according to claim 1,
Wherein the plurality of first optics and the plurality of second optics are symmetrically formed about a vertical axis of the vehicle. The method according to claim 1,
Wherein a region formed by any two adjacent optics among the plurality of first optics and any two adjacent optics among the plurality of second optics is a rhombic shape. The method of claim 3,
Wherein the predetermined beam pattern formed by the plurality of first optics and the plurality of second optics is in a rhombic shape. delete The method according to claim 1,
Wherein at least one of the first optic and the second optic protrudes toward the outside of the lens. The method according to claim 1,
Wherein at least one of the first optic and the second optic is recessed toward the inside of the lens. The method according to claim 1,
Wherein the vehicle lamp is a fog lamp radiating the beam pattern to the rear of the vehicle.

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